CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 124,578	$ 94,767
Marketable securities	308,306	331,077
Accounts receivable	83,210	82,925
Unbilled receivables	29,493	50,872
Inventories	52,596	36,154
Prepaids and other current assets	11,975	34,850
Total current assets	610,158	630,645
Intangible assets, net	22,279	28,769
Goodwill	286,812	286,812
Property, plant and equipment, net	74,916	67,808
Operating lease right-of-use assets	21,760	21,497
Unbilled receivables	4,391	4,423
Deferred tax assets	130,163	127,892
Income taxes receivable	98,683	88,768
Other assets	1,461	1,613
Total assets	1,250,623	1,258,227
Current liabilities:
Accounts payable	26,970	18,074
Accrued salaries and benefits	15,880	17,504
Deferred revenue	15,385	17,393
Income taxes payable	1,005	5,099
Operating lease liabilities	5,033	4,453
Other current liabilities	20,761	26,598
Total current liabilities	85,034	89,121
Long-term operating lease liabilities	25,780	26,255
Long-term income taxes payable	92,728	78,947
Deferred tax liabilities	3,949	4,462
Other long-term liabilities	14,240	21,341
Total liabilities	221,731	220,126
Commitments and contingencies (Notes 9, 11 and 15)
Stockholders’ equity:
Convertible preferred stock, $.001 par value: Authorized: 5,000,000 shares; Issued and outstanding: no shares at June 30, 2024 and December 31, 2023	0	0
Common stock, $.001 par value: Authorized: 500,000,000 shares; Issued and outstanding: 107,680,174 shares at June 30, 2024 and 107,853,778 shares at December 31, 2023	108	108
Additional paid-in capital	1,295,277	1,324,796
Accumulated deficit	(264,527)	(285,534)
Accumulated other comprehensive loss	(1,966)	(1,269)
Total stockholders’ equity	1,028,892	1,038,101
Total liabilities and stockholders’ equity	$ 1,250,623	$ 1,258,227